#include<bits/stdc++.h>
using namespace std;
const long long inf = (long long) 4e18 + 10;
const int inf1 = (int) 1e9 + 10;
#define int long long
#define dbl long double
#define endl '\n'
#define sc second
#define fr first
#define mp make_pair
#define pb push_back
#define all(x) x.begin(), x.end()
#define maxn
void solve() {
int n, a, b;
cin >> n >> a >> b;
int m;
if(log2(a) + log2(b) > log2(inf)) m = inf;
else m = a*b;
vector<pair<int,int>> lr;
for(int i = 1; i <= n; i++) {
int l, r; cin >> l >> r;
if(l/m != r/m) {
//terminam em cantos diferentes
l%= m;
r%= m;
//colocar l,m-1 e 0,r
lr.pb(mp(l,m-1));
lr.pb(mp(0,r));
}
else {
l%= m;
r%= m;
lr.pb(mp(l,r));
}
}
sort(all(lr));
int l = 0;
int r = -1;
int ans = 0;
for(auto x : lr) {
int l1 = x.fr;
int r1 = x.sc;
if(l1 > r) {
//conta o lr anterior e comeca um novo
ans+= r-l+1;
l = l1;
r = r1;
}
r = max(r,r1);
}
ans+= r-l+1;
cout << ans << endl;
}
int32_t main() {
ios::sync_with_stdio(false); cin.tie(0);
// freopen("in.in", "r", stdin);
//freopen("out.out", "w", stdout);
int tt = 1;
// cin >> tt;
while(tt--) solve();
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
6 ms |
844 KB |
Output is correct |
3 |
Correct |
4 ms |
720 KB |
Output is correct |
4 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
290 ms |
16916 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
399 ms |
16880 KB |
Output is correct |
3 |
Incorrect |
451 ms |
16920 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
399 ms |
16880 KB |
Output is correct |
3 |
Incorrect |
451 ms |
16920 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
399 ms |
16880 KB |
Output is correct |
3 |
Incorrect |
451 ms |
16920 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
41 ms |
2624 KB |
Output is correct |
3 |
Correct |
40 ms |
2580 KB |
Output is correct |
4 |
Correct |
460 ms |
16808 KB |
Output is correct |
5 |
Correct |
41 ms |
2524 KB |
Output is correct |
6 |
Correct |
38 ms |
2576 KB |
Output is correct |
7 |
Correct |
39 ms |
2616 KB |
Output is correct |
8 |
Correct |
41 ms |
2560 KB |
Output is correct |
9 |
Correct |
40 ms |
2556 KB |
Output is correct |
10 |
Correct |
43 ms |
2536 KB |
Output is correct |
11 |
Correct |
54 ms |
2624 KB |
Output is correct |
12 |
Correct |
51 ms |
2528 KB |
Output is correct |
13 |
Correct |
40 ms |
2520 KB |
Output is correct |
14 |
Correct |
444 ms |
16760 KB |
Output is correct |
15 |
Incorrect |
43 ms |
2624 KB |
Output isn't correct |
16 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
6 ms |
844 KB |
Output is correct |
3 |
Correct |
4 ms |
720 KB |
Output is correct |
4 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |